Larynx Flashcards
name the bones and cartilages that form the larynx
hyoid bone
thyroid cartilage
cricothyroid cartilage
name the membranes of the larynx
thyrohyoid membrane
cricothyroid membrane
aryepiglottic membrane
which membrane forms the supraglottic region?
aryepiglottic membrane
which membrane forms the infraepiglottic region?
cricothyroid membrane
what forms the false vocal cords?
aryepiglottic membrane
what forms the true vocal cords?
cricothyroid membrane
what are the aBducting muscles of the larynx?
posterior cricoaretynoid
what are the aDucting muscles of the larynx?
lateral cricoaretynoid
transverse and oblique aretynoids
what muscles tense and lengthen the vocal cords?
cricothyroid
what muscles relax the vocal cords?
vocalis
thyroaretynoid
what muscles does the recurrent laryngeal nerve innervate?
posterior cricoaretynoid lateral cricoaretynoid transverse/oblque aretynoids vocalis thyroaretynoid
what muscles does the external branch of the superior laryngeal nerve innervate?
cricothyroid
what muscle group depresses the larynx and hyoid bone?
infrahyoids
what nerve innervates the infrahyoids?
ansa cervicalis
C1 - C3
